Public | Automated Build

Last pushed: 2 years ago
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What is Ant?

Apache Ant is a Java library and command-line tool whose mission is to drive processes described in build files as targets and extension points dependent upon each other. The main known usage of Ant is the build of Java applications. Ant supplies a number of built-in tasks allowing to compile, assemble, test and run Java applications. Ant can also be used effectively to build non Java applications, for instance C or C++ applications. More generally, Ant can be used to pilot any type of process which can be described in terms of targets and tasks.

How to use this image

Run a single Ant command

For many simple projects, you may find it inconvenient to write a complete Dockerfile. In such cases, you can run a Ant project by using the Ant Docker image directly, passing a Ant command to docker run:

docker run -it --rm -v "$(pwd)":/src brandonstevens/ant

Set ANT Environment Variables

Ant includes two environment variables that can be set when you run the container.

  • ANT_OPTS - command-line arguments that should be passed to the JVM. For example, you can define system properties or set the maximum Java heap size here.
  • ANT_ARGS - Ant command-line arguments. For example, set ANT_ARGS to point to a different logger, include a listener, and to include the -find flag.

(Taken from

docker run -it --rm -v "$(pwd)":/src -e "ANT_OPTS=-Xmx256m" -e "ANT_ARGS=-buildfile build-all.xml" brandonstevens/ant

Create a Dockerfile for your Ant project

Create a Dockerfile at the root of your project:

FROM brandonstevens/ant

ADD . /src


RUN ant

WORKDIR /src/build

CMD ["java", "-jar", "project.jar"]
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